299968280 has 16 divisors (see below), whose sum is σ = 674928720. Its totient is φ = 119987296.

The previous prime is 299968217. The next prime is 299968289. The reversal of 299968280 is 82869992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299968289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3749564 + ... + 3749643.

It is an arithmetic number, because the mean of its divisors is an integer number (42183045).

Almost surely, 2^299968280 is an apocalyptic number.

299968280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

299968280 is an abundant number, since it is smaller than the sum of its proper divisors (374960440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

299968280 is a wasteful number, since it uses less digits than its factorization.

299968280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7499218 (or 7499214 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 53.

The square root of 299968280 is about 17319.5923739561. The cubic root of 299968280 is about 669.4093554582.

The spelling of 299968280 in words is "two hundred ninety-nine million, nine hundred sixty-eight thousand, two hundred eighty".